linux-kernel - [PATCH 1/5] kbuild: refactor silent mode detection

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Message-Id: <20221222162535.1578462-1-masahiroy@kernel.org>
Date:   Fri, 23 Dec 2022 01:25:31 +0900
From:   Masahiro Yamada <masahiroy@...nel.org>
To:     linux-kbuild@...r.kernel.org
Cc:     linux-kernel@...r.kernel.org,
        Masahiro Yamada <masahiroy@...nel.org>,
        Nathan Chancellor <nathan@...nel.org>,
        Nick Desaulniers <ndesaulniers@...gle.com>,
        Nicolas Schier <nicolas@...sle.eu>
Subject: [PATCH 1/5] kbuild: refactor silent mode detection

Factor out $(findstring s,...).

Signed-off-by: Masahiro Yamada <masahiroy@...nel.org>
---

 Makefile | 6 +++---
 1 file changed, 3 insertions(+), 3 deletions(-)

diff --git a/Makefile b/Makefile
index 25247f931872..e8ce3e2b30d6 100644
--- a/Makefile
+++ b/Makefile
@@ -100,12 +100,12 @@ endif
 # make-4.0 (and later) keep single letter options in the 1st word of MAKEFLAGS.
 
 ifeq ($(filter 3.%,$(MAKE_VERSION)),)
-silence:=$(findstring s,$(firstword -$(MAKEFLAGS)))
+short-opts := $(firstword -$(MAKEFLAGS))
 else
-silence:=$(findstring s,$(filter-out --%,$(MAKEFLAGS)))
+short-opts := $(filter-out --%,$(MAKEFLAGS))
 endif
 
-ifeq ($(silence),s)
+ifneq ($(findstring s,$(short-opts)),)
 quiet=silent_
 KBUILD_VERBOSE = 0
 endif
-- 
2.34.1